Family name Tuan (Tuan 
, Туан 
, Туань ) , all over the world, is a common surname. The family name Tuan is habitual in Malaysia, where it is quite a common surname, Vietnam, and Macao. Not in comparison with a country's population, it is commonest in South-eastern Asia, particularly Vietnam, Malaysia, and Philippines. More frequently, Tuan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tuan | Malaysia, United States, Sri Lanka, Vietnam, Indonesia |
| Туан | Kazakhstan, Ukraine, Belarus, Russia |
| Туань | Ukraine, Russia |
| トゥアン | Japan |
Duan, Tuon, Tuàn, Tuán, Tuân, Tuâń, Tuãn, Tuǎn, Tuạn, Tuấn, Tuấñ, Tuấň, Tuần, Tuẩn, Tuẫn, Tuận, Tuắn, Túân, Tụấn, Tựan, Ţŭấņ, Ťuấn, Ťuấň, Ťůấň, Ťųấň, טואן, ตวน, ตวร, ต่วน, ต้วน, Ṭuan, ツァン, トウアン, 俊, 兔安, 剸, 吐安, 团, 団, 图安, 團, 土安, 彖, 抟, 摶, 旬, 涂安, 涂案, 湍, 湪, 疃, 篿, 糰, 训, 遵, 鏄, and Ｔｕａｎ
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yi-fu tuan Chinese-American geographer (1930-2022), US (b. 1930) |
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| san fu tuan Ph.D. University of California, Berkeley 1958 (b. 1932) |
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mark yi en tuan American rapper, TW (b. 1993) |
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| johnny tuan chung-yi (b. 1948) |
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| alice tuan American writer, US (b. 1963) |
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| kim tuan (b. 1961) |
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| mia tuan (b. 1968) |
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| tuan (b. 1969) |
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| khuong anh tuan researcher (ORCID 0000-0002-4928-8442) |
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| sikong tuan Tang dynasty person CBDB = 195103 |
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| van phu tuan researcher |
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| shu lan tuan actress |
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| paul tuan Ph.D. University of Tasmania 1970 |
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| jia tuan person, CBDB ID = 381369 |
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| thieu quang tuan Ph.D. Technische Universiteit Delft 2007 |
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